Q.

Which of the following statements regarding equilibrium constant of a reaction is correct?

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a

It increases linearly with increasing 1/T.

b

It increases exponentially with increase in temperature for an exothermic reaction

c

It increases exponentially with increase in temperature for an endothermic reaction

d

It increases linearly with increasing T

answer is D.

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Detailed Solution

The variation  Keq is lnKeq=ΔrHT+ constant  or Keq=AeΔrH/T

For endothermic reactions, ΔrH is positive and thus Keq increases exponentially with increase in temperature.

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